diff --git a/.laminas-ci.json b/.laminas-ci.json
index 2c63c08..6238f6f 100644
--- a/.laminas-ci.json
+++ b/.laminas-ci.json
@@ -1,2 +1,6 @@
 {
+    "ignore_php_platform_requirements": {
+        "8.4": true
+    },
+    "backwardCompatibilityCheck": true
 }
diff --git a/composer.json b/composer.json
index 3d5f839..d97db07 100644
--- a/composer.json
+++ b/composer.json
@@ -26,13 +26,13 @@
         }
     },
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
-        "phpunit/phpunit": "^10.5.10",
+        "phpunit/phpunit": "^10.5.36",
         "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.21.1"
+        "vimeo/psalm": "^5.26.1"
     },
     "suggest": {
         "mezzio/mezzio-laminasviewrenderer": "^2.0 to use the laminas-view PhpRenderer template renderer",
diff --git a/composer.lock b/composer.lock
index 89cd736..d40fb5a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9a5b1561dd63fb5b0b63fbbfbd920090",
+    "content-hash": "ab80cbe7970328937b017931d529c5f1",
     "packages": [],
     "packages-dev": [
         {
@@ -3990,13 +3990,13 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
-    "platform-dev": {},
+    "platform-dev": [],
     "platform-overrides": {
         "php": "8.1.99"
     },